The Second Murderer - a Philip Marlowe book review

This book is a Philip Marlowe mystery, one that isn't by the original author. The Marlowe series continued under modern authors (just like James Bond) into the 2020s. Some are set in modern day, but this one is set in the same period as the original Marlowe series (1940s-ish). You can tell by the Depression-era references. This contains spoilers. You've been warned. I collect Philip Marlowe books. I currently have all of them, unless they come out with more. I'd love to read more of them. This one starts with a rich, eccentric client who lies to him (as usual, for Marlowe) and ends in a strange sort of ending, where you aren't sure whether you should be happy or not. The client wanted a daughter back, allegedly, but was definitely abusive toward the missing woman previously. In other words, she's an adult and left on her own to avoid abuse. Marlowe shelters her for a while, but she ends up coming back when the client is killed by his own mistress. By the way, th...